12232328137 has 2 divisors, whose sum is σ = 12232328138. Its totient is φ = 12232328136.

The previous prime is 12232328123. The next prime is 12232328149. The reversal of 12232328137 is 73182323221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10647969721 + 1584358416 = 103189^2 + 39804^2 .

It is a cyclic number.

It is not a de Polignac number, because 12232328137 - 2¹¹ = 12232326089 is a prime.

It is a super-3 number, since 3×12232328137³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12232328837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116164068 + 6116164069.

It is an arithmetic number, because the mean of its divisors is an integer number (6116164069).

Almost surely, 2^12232328137 is an apocalyptic number.

It is an amenable number.

12232328137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12232328137 is an equidigital number, since it uses as much as digits as its factorization.

12232328137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The spelling of 12232328137 in words is "twelve billion, two hundred thirty-two million, three hundred twenty-eight thousand, one hundred thirty-seven".